Why Does My Furnace Have Rust

December 14, 2021

3 Causes of Rusting in Your Furnace It is essential to understand the importance of preventing rust in your furnace. Sometimes, people don’t think about it until they start noticing brown or yellowish stains on their home’s furnace. Rust can build up over time and cause problems like clogs, corrosion, and eventual equipment failure. Thankfully, there are ways you can take care of this problem before it becomes too severe. The following are the main causes of rusting in your furnace. 1. Leaking Air Conditioner Air conditioner leaks will typically cause rust in your HVAC system. If you notice that there’s water dripping from the unit itself or around any pipes, this could be how it all starts. It will ultimately lead to rust buildup and other issues with your furnace if left unattended long enough. The easiest way to prevent problems with your AC leaking is to make sure everything is properly maintained regularly. Also, consider checking for signs of damage to insulation over time due to naturally occurring wear and tear, which can cause further complications down the road without proper maintenance. 2. High Humidity In addition to how you operate your furnace, humidity levels in the air...

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